/usr/include/x86_64-linux-gnu/alljoyn/PermissionPolicy.h is in liballjoyn-dev-1509 15.09a-5.
This file is owned by root:root, with mode 0o644.
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#define _ALLJOYN_PERMISSION_POLICY_H
/**
* @file
* This file defines the Permission Policy classes that provide the interface to
* parse the authorization data
*/
/******************************************************************************
* Copyright AllSeen Alliance. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************************/
#ifndef __cplusplus
#error Only include PermissionPolicy.h in C++ code.
#endif
#include <qcc/platform.h>
#include <qcc/String.h>
#include <qcc/KeyInfoECC.h>
#include <qcc/GUID.h>
#include <alljoyn/Status.h>
#include <alljoyn/MsgArg.h>
#include <alljoyn/Message.h>
namespace ajn {
/**
* Class to allow the application to specify a permission policy
*/
class PermissionPolicy {
public:
/**
* The current specification version.
*/
static const uint16_t SPEC_VERSION = 1;
/**
* Class to allow the application to specify a permission rule
*/
class Rule {
public:
/**
* Class to allow the application to specify a permission rule at the interface member level
*/
class Member {
public:
/**
* Enumeration for the different type of members
*/
typedef enum {
NOT_SPECIFIED = 0, ///< not specified
METHOD_CALL = 1, ///< method call
SIGNAL = 2, ///< signal
PROPERTY = 3 ///< property
} MemberType;
/**
* The permission action masks
*/
static const uint8_t ACTION_PROVIDE = 0x01; /** < allow to provide */
static const uint8_t ACTION_OBSERVE = 0x02; /** < allow to observe */
static const uint8_t ACTION_MODIFY = 0x04; /** < allow to modify */
/**
* Constructor
*
*/
Member() : memberName(), memberType(NOT_SPECIFIED), actionMask(0)
{
}
/**
* virtual destructor
*/
virtual ~Member()
{
}
/**
* Set the MemberName, MemberType and action mask
*
* @param[in] memberName the name of the interface member
* @param[in] memberType the type of member
* @param[in] actionMask the permission action mask
*/
void Set(const qcc::String& memberName, MemberType memberType, uint8_t actionMask);
/**
* Set the MemberName
* @param[in] memberName the name of the interface member
*/
void SetMemberName(const qcc::String& memberName);
/**
* Get the MemberName
* @return the MemberName
*/
const qcc::String GetMemberName() const;
/**
* Set the MemberType
* @param[in] memberType the type of the member
*/
void SetMemberType(MemberType memberType);
/**
* Get the MemberType
* @return the MemberType
*/
const MemberType GetMemberType() const;
/**
* Set the ActionMask
* param[in] actionMask Action mask value
*/
void SetActionMask(uint8_t actionMask);
/**
* Get the ActionMask
* @return the ActionMask
*/
const uint8_t GetActionMask() const;
/**
* A String representation of the Member
*
* @param indent Number of space chars to indent the start of each line
*
* @return A String representation of the Member
*/
qcc::String ToString(size_t indent = 0) const;
/**
* Comparison operators equality
* @param[in] other right hand side Member
* @return true if Members are equal
*/
bool operator==(const Member& other) const;
/**
* Comparison operators non-equality
* @param[in] other right hand side Member
* @return true if Members are not equal
*/
bool operator!=(const Member& other) const;
private:
qcc::String memberName;
MemberType memberType;
uint8_t actionMask;
};
/**
* Constructor
*
*/
Rule() : objPath("*"), interfaceName(), members(NULL), membersSize(0)
{
}
/**
* virtual destructor
*/
virtual ~Rule()
{
delete [] members;
}
/**
* Set the object path
* @param[in] objPath the object path
*/
void SetObjPath(const qcc::String& objPath);
/**
* Get the Object Path
* @return the Object Path
*/
const qcc::String GetObjPath() const;
/**
* Set the Interface Name
* @param[in] interfaceName the interface name.
*/
void SetInterfaceName(const qcc::String& interfaceName);
/**
* Get the InterfaceName
* @return the interface name
*/
const qcc::String GetInterfaceName() const;
/**
* Set the array of members for the given interface.
* @param[in] count the size of the array
* @param[in] members The array of member fields.
*/
void SetMembers(size_t count, Member* members);
/**
* Get the array of inferface members.
* @return the array of interface members.
*/
const Member* GetMembers() const;
/**
* Get the number of Members in the Rule
* @return the number of Members in the rule.
*/
const size_t GetMembersSize() const;
/**
* String representation of the Rule
*
* @param indent Number of space chars to indent the start of each line
*
* @return string representation of the rule
*/
qcc::String ToString(size_t indent = 0) const;
/**
* Comparison operators equality
* @param[in] other right hand side Rule
* @return true if Rules are equal
*/
bool operator==(const Rule& other) const;
/**
* Comparison operators non-equality
* @param[in] other right hand side Rule
* @return true if Rules are not equal
*/
bool operator!=(const Rule& other) const;
/**
* Assignment operator for Rule
*/
Rule& operator=(const Rule& other);
/**
* Copy constructor for Rule
*/
Rule(const Rule& other);
private:
qcc::String objPath;
qcc::String interfaceName;
Member* members;
size_t membersSize;
};
/**
* Class to allow the application to specify a permission peer
*/
class Peer {
public:
/**
* Enumeration for the different types of peer
*/
typedef enum {
PEER_ALL = 0, ///< all peers including anonymous peers
PEER_ANY_TRUSTED = 1, ///< any peer trusted by the application
PEER_FROM_CERTIFICATE_AUTHORITY = 2, ///< peers with identity certificates issued by the specified certificate authority
PEER_WITH_PUBLIC_KEY = 3, ///< peer identified by specific public key
PEER_WITH_MEMBERSHIP = 4 ///< all members of a security group
} PeerType;
/**
* Constructor
*
*/
Peer() : type(PEER_ANY_TRUSTED), securityGroupId(0), keyInfo(NULL)
{
}
/**
* virtual destructor
*/
virtual ~Peer()
{
delete keyInfo;
}
/**
* Set the peer type
*/
void SetType(PeerType peerType);
/**
* Get the peer type
*/
const PeerType GetType() const;
/**
* Set the security group id
* @param guid the security group id
*/
void SetSecurityGroupId(const qcc::GUID128& guid);
/**
* Get the security group id
* @return the security group id
*/
const qcc::GUID128& GetSecurityGroupId() const;
/**
* Set the keyInfo field.
* When peer type is PEER_ALL the keyInfo is not relevant.
* When peer type is PEER_ANY_TRUSTED the keyInfo is not relevant.
* When peer type is PEER_FROM_CERTIFICATE_AUTHORITY the
* keyInfo.PublicKey is the public key of the certificate authority.
* When peer type is PEER_WITH_PUBLIC_KEY the keyInfo.PublicKey is
* the public key of the peer.
* When peer type is PEER_WITH_MEMBERSHIP the keyInfo.PublicKey is the
* public key of the security group authority.
* @param[in] keyInfo the keyInfo. Set to NULL to removed keyInfo.
*/
void SetKeyInfo(const qcc::KeyInfoNISTP256* keyInfo);
/**
* Get the keyInfo field.
* @return keyInfo the keyInfo.
*/
const qcc::KeyInfoNISTP256* GetKeyInfo() const;
/**
* A String representation of the Peer
*
* @param indent Number of space chars to indent the start of each line
*
* @return A String representation of the Peer
*/
qcc::String ToString(size_t indent = 0) const;
/**
* Comparison operators equality
* @param[in] other right hand side Peer
* @return true is Peers are equal
*/
bool operator==(const Peer& other) const;
/**
* Comparison operators non-equality
* @param[in] other right hand side Peer
* @return true if Peers are not equal
*/
bool operator!=(const Peer& other) const;
/**
* Assignment operator for Peer
* @param[in] other right hand side of the `=` operator
*/
Peer& operator=(const Peer& other);
/**
* Copy constructor for Peer
* @param[in] other the Peer to copy
*/
Peer(const Peer& other);
private:
PeerType type;
qcc::GUID128 securityGroupId;
qcc::KeyInfoNISTP256* keyInfo;
};
/**
* Class to allow the application to specify an access control list
*/
class Acl {
public:
/**
* Constructor
*
*/
Acl() : peersSize(0), peers(NULL), rulesSize(0), rules(NULL)
{
}
/**
* virtual destructor
*/
virtual ~Acl()
{
delete [] peers;
delete [] rules;
}
/**
* Set the array of peers
* @param[in] count the number of peers
* @param[in] peer the array of peers.
*/
void SetPeers(size_t count, const Peer* peers);
/**
* Get the number of Peers in the Acl
* @return the number of Peers in the Acl
*/
const size_t GetPeersSize() const;
/**
* Get a pointer to the Peers array stored in the Acl
*/
const Peer* GetPeers() const;
/**
* Set the array of rules.
* @param[in] count the number of rules
* @param[in] rules the array of rules.
*/
void SetRules(size_t count, const Rule* rules);
/**
* Get the number of Rules in the Acl
* @return the number of Rules in the Acl
*/
const size_t GetRulesSize() const;
/**
* Get a pointer to the Rules array stored in the Acl
*/
const Rule* GetRules() const;
/**
* Get a string representation of the Acl
*
* @param indent Number of space chars to indent the start of each line
*
* @return a string representation of the Acl
*/
qcc::String ToString(size_t indent = 0) const;
/**
* Comparison operators equality
* @param[in] other right hand side Acl
* @return true if Acls are equal
*/
bool operator==(const Acl& other) const;
/**
* Comparison operators non-equality
* @param[in] other right hand side Acl
* @return true if Acls are not equal
*/
bool operator!=(const Acl& other) const;
/**
* Assignment operator for Term
*/
Acl& operator=(const Acl& other);
/**
* Copy constructor for Term
*/
Acl(const Acl& other);
private:
size_t peersSize;
Peer* peers;
size_t rulesSize;
Rule* rules;
};
/**
* Class to specify the marshal/unmarshal utility for the policy data
*/
class Marshaller {
public:
Marshaller()
{
}
virtual ~Marshaller()
{
}
/**
* Marshal the permission policy to a byte array.
* @param[out] buf the buffer containing the marshalled data. The buffer is new[]'d by this object and will be delete[]'d by the caller of this method.
* @param[out] size the variable holding the size of the allocated byte array
* @return
* - #ER_OK if export was successful.
* - error code if fail
*/
virtual QStatus Marshal(PermissionPolicy& policy, uint8_t** buf, size_t* size)
{
QCC_UNUSED(policy);
QCC_UNUSED(buf);
QCC_UNUSED(size);
return ER_NOT_IMPLEMENTED;
}
/**
* Unmarshal the permission policy from a byte array.
* @param buf the byte array holding the serialized data. The serialized data must be generated by the Export call.
* @param size the size of the byte array
* @return
* - #ER_OK if import was successful.
* - error code if fail
*/
virtual QStatus Unmarshal(PermissionPolicy& policy, const uint8_t* buf, size_t size)
{
QCC_UNUSED(policy);
QCC_UNUSED(buf);
QCC_UNUSED(size);
return ER_NOT_IMPLEMENTED;
}
/**
* Generate a hash digest for the policy data. Each marshaller can use its own digest algorithm.
* @param[out] digest the buffer to hold the output digest. It must be new[] by the caller and must have enough space to hold the digest
* @param len the length of the digest buffer.
* @return
* - #ER_OK if digest was successful.
* - error code if fail
*/
virtual QStatus Digest(PermissionPolicy& policy, uint8_t* digest, size_t len)
{
QCC_UNUSED(policy);
QCC_UNUSED(digest);
QCC_UNUSED(len);
return ER_NOT_IMPLEMENTED;
}
/**
* Generate a hash digest for the manifest data. Each marshaller can use its own digest algorithm.
* @param[in] rules the array of rules in the manifest
* @param[in] count the number of rules in the manifest
* @param[out] digest the buffer to hold the output digest. It must be new[] by the caller and must have enough space to hold the digest
* @param len the length of the digest buffer.
* @return
* - #ER_OK if digest was successful.
* - error code if fail
*/
virtual QStatus Digest(const PermissionPolicy::Rule* rules, size_t count, uint8_t* digest, size_t len)
{
QCC_UNUSED(rules);
QCC_UNUSED(count);
QCC_UNUSED(digest);
QCC_UNUSED(len);
return ER_NOT_IMPLEMENTED;
}
};
/**
* Constructor
*
*/
PermissionPolicy() : specificationVersion(SPEC_VERSION), version(0), aclsSize(0), acls(NULL)
{
}
/**
* virtual destructor
*/
virtual ~PermissionPolicy()
{
delete [] acls;
}
void SetSpecificationVersion(uint16_t specificationVersion)
{
this->specificationVersion = specificationVersion;
}
const uint16_t GetSpecificationVersion() const
{
return specificationVersion;
}
void SetVersion(uint32_t version)
{
this->version = version;
}
const uint32_t GetVersion() const
{
return version;
}
/**
* Set the array of permission acls
* @param[in] count the number of permission acls
* @param[in] provider the array of permission acls. The array must be new'd by the caller. It will be deleted by this object.
*/
void SetAcls(size_t count, const Acl* acls);
const size_t GetAclsSize() const
{
return aclsSize;
}
const Acl* GetAcls() const
{
return acls;
}
/**
* A String representation of the PermissionPolicy
*
* @param indent Number of space chars to indent the start of each line
*
* @return A String representation of the PermissionPolicy
*/
qcc::String ToString(size_t indent = 0) const;
/**
* Comparison operator equality
* @param[in] other right hand side PermissionPolicy
* @return true if PermissionPolicies are equal
*/
bool operator==(const PermissionPolicy& other) const;
/**
* Comparison operator non-equality
* @param[in] other right hand side PermissionPolicy
* @return true if PermissionPolicies are not equal
*/
bool operator!=(const PermissionPolicy& other) const;
/**
* Serialize the permission policy to a byte array.
* @param marshaller the marshaller
* @param[out] buf the newly allocated byte array holding the serialized data. The caller must delete[] this buffer after use.
* @param[out] size the variable holding the size of the allocated byte array
* @return
* - #ER_OK if export was successful.
* - error code if fail
*/
QStatus Export(Marshaller& marshaller, uint8_t** buf, size_t* size);
/**
* Deserialize the permission policy from a byte array.
* @param marshaller the marshaller
* @param buf the byte array holding the serialized data. The serialized data must be generated by the Export call.
* @param size the size of the byte array
* @return
* - #ER_OK if import was successful.
* - error code if fail
*/
QStatus Import(Marshaller& marshaller, const uint8_t* buf, size_t size);
/**
* Export the Policy to a MsgArg object.
* @param[out] msgArg the resulting message arg
* @return
* - #ER_OK if creation was successful.
* - error code if fail
*/
QStatus Export(MsgArg& msgArg) const;
/**
* Build a MsgArg object to represent the array of rules.
* @param rules the array of rules
* @param count the number of rules
* @param[out] msgArg the resulting message arg
* @return
* - #ER_OK if creation was successful.
* - error code if fail
*/
static QStatus GenerateRules(const Rule* rules, size_t count, MsgArg& msgArg);
/**
* Parse the MsgArg object to retrieve the rules.
* @param msgArg the message arg
* @param[out] rules the buffer to hold the array of rules
* @param[out] count the output number of rules
* @return
* - #ER_OK if creation was successful.
* - error code if fail
*/
static QStatus ParseRules(const MsgArg& msgArg, Rule** rules, size_t* count);
/**
* Build the policy object from the message arg object
* @param specificationVersion the specification version
* @param msgArg the message arg
* @return
* - #ER_OK if creation was successful.
* - error code if fail
*/
QStatus Import(uint16_t specificationVersion, const MsgArg& msgArg);
/**
* Generate a hash digest for the policy data
* @param marshaller the marshaller utility
* @param[out] digest the buffer to hold the output digest. It must be new[] by the caller and must have enough space to hold the digest
* @param len the length of the digest buffer.
* @return
* - #ER_OK if digest was successful.
* - error code if fail
*/
QStatus Digest(Marshaller& marshaller, uint8_t* digest, size_t len);
/**
* Assignment operator for PermissionPolicy
*/
PermissionPolicy& operator=(const PermissionPolicy& other);
/**
* Copy constructor for PermissionPolicy
*/
PermissionPolicy(const PermissionPolicy& other);
private:
uint16_t specificationVersion;
uint32_t version;
size_t aclsSize;
Acl* acls;
};
/**
* Class used to serialize/deserialize the permission policy.
*/
class DefaultPolicyMarshaller : public PermissionPolicy::Marshaller {
public:
/**
* Default constructor
*/
DefaultPolicyMarshaller(Message& msg) : Marshaller(), msg(msg)
{
}
/**
* Destructor
*/
~DefaultPolicyMarshaller()
{
}
/**
* Marshal the permission policy to a byte array.
*
* @param[in] policy the policy to marshal into a byte array
* @param[out] buf the newly allocated byte array holding the serialized data. The caller must delete[] this buffer after use.
* @param[out] size the variable holding the size of the allocated byte array
* @return
* - #ER_OK if export was successful.
* - error code if fail
*/
QStatus Marshal(PermissionPolicy& policy, uint8_t** buf, size_t* size);
/**
* Unmarshal the permission policy from a byte array.
*
* @param[out] policy the policy the byte array will be unmarshalled into
* @param buf the byte array holding the serialized data. The serialized data must be generated by the Export call.
* @param size the size of the byte array
* @return
* - #ER_OK if import was successful.
* - error code if fail
*/
QStatus Unmarshal(PermissionPolicy& policy, const uint8_t* buf, size_t size);
/**
* Generate a hash digest for the policy data
*
* @param[in] policy the policy used to generate the hash digest
* @param[out] digest the buffer to hold the output digest. It must be new[] by the caller and must have enough space to hold the digest
* @param len the length of the digest buffer.
* @return
* - #ER_OK if digest was successful.
* - error code if fail
*/
QStatus Digest(PermissionPolicy& policy, uint8_t* digest, size_t len);
/**
* Generate a hash digest for the manifest data. Each marshaller can use its own digest algorithm.
* @param[in] rules the array of rules in the manifest
* @param[in] count the number of rules in the manifest
* @param[out] digest the buffer to hold the output digest. It must be new[] by the caller and must have enough space to hold the digest
* @param len the length of the digest buffer.
* @return
* - #ER_OK if digest was successful.
* - error code if fail
*/
QStatus Digest(const PermissionPolicy::Rule* rules, size_t count, uint8_t* digest, size_t len);
private:
/**
* Assignment operator is private
*/
DefaultPolicyMarshaller& operator=(const DefaultPolicyMarshaller& other);
/**
* Copy constructor is private
*/
DefaultPolicyMarshaller(const DefaultPolicyMarshaller& other);
QStatus MarshalPrep(PermissionPolicy& policy);
QStatus MarshalPrep(const PermissionPolicy::Rule* rules, size_t count);
Message& msg;
};
}
#endif
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